Do you offer OEM and ODM services?

Yes, we offer both OEM and ODM services with customization available from samples.

Wafer Double Disc / Flangde Check Valve

Name: Wafer Double Disc / Flangde Check Valve
Brand: Naifulong Group Co., Ltd.
SKU: 1926600336

Zhejiang, ChinaNaifulong Group Co., Ltd.

US$10.00-5,000.00

1 Set

Product profile

Customization

Available

Media

Acid

Temperature

Ordinary Temperature

Model NO.

custom

Material

Stainless Steel

Connection Form

Flange

Structure

Swing

Pressure

Low Pressure

Function

Sfcv Rubber Lobe

Sealing Form

Bellows Globe Valve

Flow Direction

Unidirection

Standard

GB/T 12224 , Hg/T3704

Application

Industrial Usage, Water Industrial Usage

Model No

H74f46 H76f46 H44f46

DN

DN15-DN500

Pn

Pn0.6-2.5

Color

Green,Blue,Red

Transport Package

Wooden Case

Specification

Customizable

Trademark

NFL

Origin

Zhejiang China

Key features

Customizable Standard: Standards can be customized to meet specific project requirements.

Wide Size Range: Available in DN15 to DN500 to fit various pipeline dimensions.

Fluorine Lining Technology: Features FEP, PCTFE, PFA, or PO3 lining for superior anti-corrosion.

OEM and ODM Services: Full customization available from samples with dedicated engineering support.

ISO Certified Quality: Manufactured in ISO 9001, TS, and ISO 14001,CE certified facilities.

Company profile

Importers and ExportersPatents AwardedExhibition ExperienceHigh Repeat Buyers Choice

Naifulong Group Co., Ltd.

Zhejiang, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples CertifiedExport Year: 18 Years CertifiedNearest Port: Ningbo Port, Shanghai PortAverage Response Time: ≤0.01h

AI-Powered supplier vetting

SummaryThe supplier is a Zhejiang-based high-tech manufacturer focused on pumps, vacuum equipment, valves, hardware, metal products, and industrial automation components. It reports over 40 patents, recent new-product development, ODM services, and OEM work for well-known brands. Production is supported by machining, injection, CNC, welding, and pipe-machining facilities, 12 quality inspectors, documented finished-product inspection instructions, and valid contracts with associated subcontractors. Quality and sustainability systems include ISO9001:2015, ISO45001:2018, and ISO14001 certifications, while regular fire drills were conducted during the past year. The supplier has 18 years of export experience, with exports representing 51%–70% of total sales, and has participated in the Russian PVC Exhibition. However, it reports no SDK, inventory, overseas warehouse, overseas showroom, overseas agent or branch, and zero countries with overseas service coverage. Financial records are identified for 2023–2025, but no...

Supplier typeThe supplier identifies itself as a national high-tech enterprise, Zhejiang Made unit, and specialized and sophisticated enterprise. Its stated business scope covers manufacturing, pumps and vacuum equipment, valves and plugs, hardware, metal products, and industrial automation products, indicating a diversified industrial equipment manufacturer.

CertificationsThe supplier reports ISO9001:2015, ISO45001:2018, and ISO14001 management-system certifications. It also reports other product-compliance certification, but the specific standard is not identified, so the assessment is supported primarily by the named management-system certificates.

After-Sales capabilityThe supplier reports no in-stock service capability, overseas warehouse, overseas showroom, overseas agent, or overseas branch, and lists zero countries where overseas services are offered. These stated limitations indicate weak overseas after-sales and local-service coverage.

R&D capabilityThe supplier reports more than 40 patents, including multiple national patents, and states that it developed new products during the past year. It also provides ODM and OEM services, although it explicitly reports no available SDK.

Production capacityProduction evidence includes valid manufacturing-capacity contracts with associated subcontractors, machining, injection, CNC, welding, and pipe-machining facilities, 12 quality inspectors, documented inspection instructions, and a one-month peak-season lead time. The supplier also reports 12 qualified service-capability suppliers and written procedures with follow-up records, supporting substantial production and quality-management capability.

Customization capabilityThe supplier reports customization from samples, ODM services, and OEM services for well-known brands. These statements directly support the ability to deliver customer-specific products and manufacturing solutions.

Product Q&A

Q:What products do we have in detail?

Our range includes: Fluorine lined ball, butterfly, gate, globe, sleeve plug, swing check valves, filters/strainers, control and regulating valves; Fluorine lined pipes, spools/spacers, Tees, Elbows, Reducers, pipe instruments, dip/entry pipes, tubular sight glasses, inline samplers, compensators, lined hoses, safety shields. For PTFE lined ball, butterfly, globe, gate valves, electric/pneumatic actuators optional. Valve body in Ductile Iron, carbon, stainless steel; Pipe/spools in carbon steel

Q:What is the main application field of Fluorine lined valves, pipes, pipe fitting and equipment?

Fluorine lined products are widely used in Alkalies & Acid industries, Solvents factories, Water treatment, Pulp & Paper mills, hydrocarbon plants, mining, Energy & Power, Oil & Gas, Fertilizers, Pharmaceuticals, etc.

Q:What kind of quality issues are encountered in marketing fluorine lined products?

A) Lining Adhesion Problems B) Permeation and Degradation C) Mechanical Damage D) Thermal Cycling Issues

Q:What is the minimum order quantity?

The minimum order quantity is 1 Set.

Q:What are the available payment terms?

We accept LC and T/T payment terms.